Fullback Derek Watt joins brother T.J. with Steelers
J.J. Watt responds to fan suggesting he join T.J., Derek with Steelers
Source -- Steelers add 2nd Watt brother, FB Derek - ESPN
The Watt Brothers: Everything to Know About the NFL Family
J.J., T.J. and Derek Watt will all play in Texans-Steelers, second brother trio to play in NFL game since 1930
Week 3 Blog: All the news and notes
NFL - Fullback Derek Watt signing with the Pittsburgh
REPORT - Steelers Not Discussing New Contract with Fullback Derek Watt At This Point
Two Watts are better than one: Steelers sign T.J.'s brother Derek to play fullback